/* .bs{
                width: auto;
                height: 1339px;
                margin: 0 auto;
                background-color: #FFF;
            }
            .banner{
                height: 100px;
                width: auto;
                background: rgb(189, 19, 175);
            } */
            /* .banner h1{
                text-align: center;
                padding-top: 20px;
            } */
            /* .menu{
                height: 50px;
                line-height: 50px;
                background-color: #bbb;
            } */
            .headline{
            	height:20px;
            	width:auto;
            	color:#fff;
            	font-size:30px;
            	margin-top:10px;
            	font-family:'LiSu';
            }
             .main{
                height: 600px;
            } 
            .left{
                height: 100%;
                width: 203px;
                background-color: #bbb;               
                float: left;
                margin-top:auto;
            }
             /* .left a{
                left: center;
                margin: 50px;
            }  */
            .right{
                height: 100%;
                width: auto;
                /* background-color: #CCFF66; */
                float: left;              
                margin-left: -2px;
                margin-top: 5px;
                border: 1px solid #000;
            }
            .my_form{
                text-align: center;
            }
            /* .menu a{
                left: center;
                margin: 50px;
               
            } */
            #courseList{
                height: 100%;
                width: 86.5%;
                /* background-color: #CCFF66; */ 
                float: right;         
                /* margin-left: 3px;
                margin-top: 5px; */
                 margin:0 2px 0 0; 
                /* border: 1px solid #000; */
            }
           /*  #content{
            	height: 999px;
                width: 1315px;
                background-color: #CCFF66; 
                float: right;         
                margin-left: 3px;
                margin-top: 5px; 
                 margin:0; 
                border: 1px solid #000;
            }       */